Wow, this is a tough one. I feel your daughter put you into a tough position. She should have called the police if in danger. Unfortunately, as adults, they make choices that they have to see through. Perhaps, if he is a nasty guy, this will finally end the relationship. Don't feel bad, is it worth dying for? You can still be super supportive of her, via the telephone. Don't feel bad, phone her support her keep safe.
Passports not in the drawer I always keep them in. Turning the place upside down.